
#ifndef __POLYFIT_H__

int 
cubic_minimizer (double a, double fa, double dfa,
                 double b, double fb, double dfb,
                 int extrapolate, double *alpha_min);

int 
quad_minimizer1 (double a, double fa, double dfa,
                 double b, double fb,
                 double *alpha_min);

int 
quad_minimizer2 (double a, double dfa,
                 double b, double dfb,
                 double *alpha_min);

#define __POLYFIT_H__

#endif
